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Hausmannite

A valid IMA mineral species - grandfathered

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Photos of Hausmannite (278)Discuss Hausmannite

Hausmannite Gallery Search Photos of Hausmannite

Edit Hausmannite Add Synonym Edit CIF structures Clear Cache

Hausmannite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite

N'Chwaning I Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite

N'Chwaning I Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Hausmannite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

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About HausmanniteHide

Johann F. L. Hausmann

Formula:

Mn²⁺Mn³⁺₂O₄

Colour:

Brown-black

Lustre:

Resinous, Sub-Metallic, Dull

Hardness:

5½

Specific Gravity:

4.83 - 4.85

Crystal System:

Tetragonal

Member of:

Spinel Subgroup > Oxyspinel Group > Spinel Supergroup

Name:

Originally named "blättricher Schwarz-Braunstein" in 1813 by Johann Friedrich Ludwig Hausmann, Professor of Mineralogy, University of Göttingen, Germany (February 22, 1782, Hanover, Germany - December 26, 1859, Göttingen, Germany). Renamed by Wilhelm Haidinger in 1827 in honor of Hausmann.

Type Locality:

ⓘ Oehrenstock, Langewiesen, Ilmenau, Ilm District, Thuringia, Germany

Isostructural with:

Hetaerolite, 'Hydrohetaerolite', 'Jacobsite-Q'

Forms a series with hetaerolite.

Hausmannite has a tetragonal distorted spinel structure (due to the Jahn-Teller distortion of the Mn³⁺-centred polyhedron). When heated above 1473 K, a cubic high-temperature phase appears (Frenzel 1980).

Hausmannite generally forms black granular aggregates or, relatively rare, pseudo-octahedral crystals.

May be formed during high-power laser-induced degradation of ramsdellite (which, in turn, may form from its variety "groutellite").

Unique IdentifiersHide

Mindat ID:

1832

Long-form identifier:

mindat:1:1:1832:2

IMA Classification of HausmanniteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

Classification of HausmanniteHide

Strunz-mindat (2026):

4.BB.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations

Dana 8th ed.:

7.2.7.1

7 : MULTIPLE OXIDES
2 : AB₂X₄

Hey's CIM Ref.:

7.18.2

7 : Oxides and Hydroxides
18 : Oxides of Mn

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference for Standard
Hsm	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Hsm	Whitney & Evans (2010)	Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
Hsm	Warr (2020)	Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Pronunciation of HausmanniteHide

Pronunciation:

Play	Recorded by	Country
	Debbie Woolf	United Kingdom

Physical Properties of HausmanniteHide

Lustre:

Resinous, Sub-Metallic, Dull

Transparency:

Opaque

Colour:

Brown-black

Streak:

Dark reddish brown, dark brown

Hardness:

5½ on Mohs scale

Tenacity:

Brittle

Cleavage:

Very Good
{001} nearly perfect; {112} and {011} indistinct.

Fracture:

Irregular/Uneven

Density:

4.83 - 4.85 g/cm³ (Measured) 4.84 g/cm³ (Calculated)

Optical Data of HausmanniteHide

RI values:

n_ω = 2.462 n_ε = 2.152

Birefringence:

0.310

Max. Birefringence:

δ = 0.310
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Thickness: 30 µm Order divisions

Rotation:

Surface Relief:

Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.

Focus:

In focus

Anisotropism:

Distinct

Reflectivity:

Wavelength	R₁ (%)	R₂ (%)
400nm	14.2%	23.2%
420nm	14.0%	22.7%
440nm	13.9%	22.2%
460nm	13.8%	21.8%
470nm	13.7%	21.6%
480nm	13.6%	21.3%
500nm	13.5%	20.9%
520nm	13.4%	20.5%
540nm	13.3%	20.0%
546nm	13.2%	19.9%
560nm	13.1%	19.7%
580nm	13.0%	19.3%
589nm	13.0%	19.2%
600nm	12.9%	19.1%
620nm	12.9%	18.8%
640nm	12.8%	18.6%
650nm	12.7%	18.4%
660nm	12.6%	18.3%
680nm	12.4%	18.1%
700nm	12.2%	17.8%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 23.2%.
R₁ shown in black, R₂ shown in red

Colour in reflected light:

Gray-white

Internal Reflections:

Deep blood-red to red-brown

Pleochroism:

Weak

Comments:

O = light gray-white; E = dark gray-white.

Comments:

Lamellar twinning in polished sections often visible.
Reflectivity data from Jarosch (1987).

Chemistry of HausmanniteHide

Mindat Formula:

Mn²⁺Mn³⁺₂O₄

Element Weights:

Element	% weight
Mn	72.031 %
O	27.970 %

Calculated from ideal end-member formula.

Elements listed:

Mn, O - search for minerals with similar chemistry

Common Impurities:

Zn,Fe,Ca,Ba,Mg

Crystallography of HausmanniteHide

Crystal System:

Tetragonal

Class (H-M):

4/mmm(4/m2/m2/m) - Ditetragonal Dipyramidal

Space Group:

I4₁/amd

Setting:

I4₁/amd

Cell Parameters:

a = 5.762 Å, c = 9.470 Å

Ratio:

a:c = 1 : 1.644

Unit Cell V:

314.41 Å³ (Calculated from Unit Cell)

Morphology:

Pseudo-octahedral {001}; {013} usually smooth and bright, {011} often dull and striated parallel to [100]. Massive, granular.

Twinning:

Twin plane {112}, often repeated as fivelings; also lamellar.

Crystallographic forms of HausmanniteHide

Crystal Atlas:

Image Loading

Click on an icon to view

Hausmannite no.3 - {112} - Goldschmidt (1913-1926)

Hausmannite no.12 - {101} - Goldschmidt (1913-1926)

Hausmannite no.13 - {101} - Goldschmidt (1913-1926)

3d models and HTML5 code kindly provided by www.smorf.nl.

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

View
CIF File Best | x | y | z | a | b | c

Rotation
Stop | Start

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Temp (K)
0002026	Hausmannite	Baron V, Gutzmer J, Rundlof H, Tellgren R (1998) The influence of iron substitution on the magnetic properties of hausmannite, Mn(Fe,Mn)2O4 American Mineralogist 83 786-793	1998	295
0002025	Hausmannite	Baron V, Gutzmer J, Rundlof H, Tellgren R (1998) The influence of iron substitution on the magnetic properties of hausmannite, Mn(Fe,Mn)2O4 American Mineralogist 83 786-793	1998	295
0002024	Hausmannite	Baron V, Gutzmer J, Rundlof H, Tellgren R (1998) The influence of iron substitution on the magnetic properties of hausmannite, Mn(Fe,Mn)2O4 American Mineralogist 83 786-793	1998	295
0018122	Hausmannite	Aminoff G (1926) Ueber die Kristallstruktur von Hausmannit (Mn Mn2 O4). _cod_database_code 1011262 Zeitschrift fur Kristallographie 64 475-490	1926	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Hausmannite'
loop_
_publ_author_name
'Baron V'
'Gutzmer J'
'Rundlof H'
'Tellgren R'
_journal_name_full 'American Mineralogist'
_journal_volume 83 
_journal_year 1998
_journal_page_first 786
_journal_page_last 793
_publ_section_title
;
 The influence of iron substitution on the magnetic properties of hausmannite,
 Mn(Fe,Mn)2O4
 Sample at T = 295 K, synthetic
;
_database_code_amcsd 0002026
_chemical_formula_sum '(Mn2.703 Fe.297) O4'
_cell_length_a 5.7843
_cell_length_b 5.7843
_cell_length_c 9.297
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 311.060
_exptl_crystal_density_diffrn      4.892
_symmetry_space_group_name_H-M 'I 41/a m d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/4-y,3/4-x,1/4+z'
  '3/4-y,1/4-x,3/4+z'
  '1/4+y,3/4+x,1/4-z'
  '3/4+y,1/4+x,3/4-z'
  '1/4+y,3/4-x,1/4-z'
  '3/4+y,1/4-x,3/4-z'
  '1/4-y,3/4+x,1/4+z'
  '3/4-y,1/4+x,3/4+z'
  '1/2+x,-y,1/2+z'
  '+x,1/2-y,+z'
  '1/2-x,y,1/2-z'
  '-x,1/2+y,-z'
  '1/2+x,y,1/2-z'
  '+x,1/2+y,-z'
  '1/2-x,-y,1/2+z'
  '-x,1/2-y,+z'
  '1/4+y,1/4+x,3/4+z'
  '3/4+y,3/4+x,1/4+z'
  '1/4-y,1/4-x,3/4-z'
  '3/4-y,3/4-x,1/4-z'
  '1/4-y,1/4+x,3/4-z'
  '3/4-y,3/4+x,1/4-z'
  '1/4+y,1/4-x,3/4+z'
  '3/4+y,3/4-x,1/4+z'
  '-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Mn2+   0.00000   0.75000   0.12500   0.94300
Fe2+   0.00000   0.75000   0.12500   0.05700
Mn3+   0.00000   0.00000   0.50000   0.88000
Fe3+   0.00000   0.00000   0.50000   0.12000
O   0.00000   0.47320   0.25970   1.00000

Epitaxial Relationships of HausmanniteHide

Epitaxial Minerals:

'Jacobsite'

Mn²⁺Fe³⁺₂O₄

Epitaxy Comments:

Oriented intergrowths.

X-Ray Powder DiffractionHide

Loading XRD data...

2θ (degrees) d-spacing (Å)

Data courtesy of RRUFF project at University of Arizona, used with permission.

Powder Diffraction Data:

d-spacing	Intensity
4.924 Å	(30)
3.089 Å	(40)
2.881 Å	(17)
2.768 Å	(85)
2.487 Å	(100)
2.463 Å	(20)
2.367 Å	(20)
2.037 Å	(20)
1.8288 Å	(7)
1.7988 Å	(25)
1.7008 Å	(10)
1.6405 Å	(8)
1.5762 Å	(25)
1.5443 Å	(50)
1.5260 Å	(2)
1.4721 Å	(3)
1.4405 Å	(20)
1.4260 Å	(3)
1.3841 Å	(4)
1.3823 Å	(2)
1.3487 Å	(6)
1.3055 Å	(1)
1.2777 Å	(10)
1.2431 Å	(6)
1.2305 Å	(5)

Comments:

ICDD 24-734 synthetic, 22 additional lines to 0.9146 with intensities 1-8; see also ICDD 18-791.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits

Type Occurrence of HausmanniteHide

Type Locality:

ⓘ Oehrenstock, Langewiesen, Ilmenau, Ilm District, Thuringia, Germany

Place of Conservation of Type Material:

Gottingen, Germany, number GZG.MIN.4.2.23.14 (type).

Geological Setting of Type Material:

Manganese ore deposit.

Synonyms of HausmanniteHide

Arseniodialytite

Black Manganese

Manganèse oxydé hydraté

Manganèse oxydé noir brunâtre

Pyramidales Mangan-Erz

Pyramidal Manganese Ore

Schwarzer Braunstein

Other Language Names for HausmanniteHide

Dutch:Hausmanniet

French:L'oxyde rouge de manganèse

German:Hausmannit
Arseniodialytit
Blättricher Schwarz-Braunstein
Gewässertes Manganperoxydul
Glanzbraunstein
Scharfmanganerz
Schwarz-Manganerz
Schwarzes Braunsteinerz (in part)

Russian:Гаусманнит

Simplified Chinese:黑锰矿

Spanish:Arseniodialytita
Hausmannita

Relationship of Hausmannite to other SpeciesHide

Member of:

Spinel Subgroup > Oxyspinel Group > Spinel Supergroup

Other Members of Spinel Subgroup:

Chihmingite	NiAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Chromite	Fe²⁺Cr³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Cochromite	CoCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
Coulsonite	Fe²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Cuprospinel	Cu²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Dellagiustaite	V²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
Deltalumite	(Al_0.67◻_0.33)Al₂O₄	Tet. 42m : P4m2
Franklinite	Zn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Gahnite	ZnAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Galaxite	Mn²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
Guite	Co²⁺Co³⁺₂O₄	Iso.
Hercynite	Fe²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
Hetaerolite	ZnMn₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
Jacobsite	Mn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
'Jacobsite-Q'	Mn²⁺(Fe³⁺,Mn³⁺)₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
Maghemite	(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄	Iso. 432 : P4₁32
Magnesiochromite	MgCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
Magnesiocoulsonite	MgV₂O₄	Iso. m3m(4/m32/m)
Magnesioferrite	MgFe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Magnetite	Fe²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Manganochromite	Mn²⁺Cr₂O₄	Iso. m3m(4/m32/m) : Fd3m
'Nichromite'	(Ni,Co,Fe)(Cr,Fe,Al)₂O₄	Iso. m3m(4/m32/m) : Fd3m
Spinel	MgAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Thermaerogenite	CuAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
Titanomaghemite	(Ti⁴⁺_0.5◻_0.5)Fe³⁺₂O₄	Iso. 432 : P4₃32
Trevorite	Ni²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
'UM1994-06-O:AlCo'	CoAl₂O₄
Vuorelainenite	Mn²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
Zincochromite	ZnCr₂O₄	Iso. m3m(4/m32/m) : Fd3m

Common AssociatesHide

Associations Based on Photo Data:

288 photos of Hausmannite associated with Andradite	Ca₃Fe³⁺₂(SiO₄)₃
184 photos of Hausmannite associated with Calcite	CaCO₃
70 photos of Hausmannite associated with Baryte	BaSO₄
56 photos of Hausmannite associated with Gaudefroyite	Ca₄Mn³⁺_2-3(BO₃)₃(CO₃)(O,OH)₃
45 photos of Hausmannite associated with Hematite	Fe₂O₃
45 photos of Hausmannite associated with Datolite	CaB(SiO₄)(OH)
37 photos of Hausmannite associated with Ettringite	Ca₆Al₂(SO₄)₃(OH)₁₂ · 26H₂O
29 photos of Hausmannite associated with Braunite	Mn²⁺Mn³⁺₆(SiO₄)O₈
26 photos of Hausmannite associated with Manganite	Mn³⁺O(OH)
20 photos of Hausmannite associated with Dolomite	CaMg(CO₃)₂

Related Minerals - Strunz-mindat Grouping Hide

4.BB.	Chenmingite	FeCr₂O₄	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.	Thermaerogenite	CuAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.	Chukochenite	LiAl₅O₈	Orth. mmm(2/m2/m2/m) : Imma
4.BB.	Elgoresyite	(Mg₅Si₂)O₉	Mon. 2/m : B2/m
4.BB.	Jianmuite	ZrTi⁴⁺Ti³⁺₅Al₃O₁₆	Tet. 4 : I4
4.BB.	Dellagiustaite	V²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.	Garpenbergite	Mn₆◻AsSbO₁₀(OH)₂	Orth. mmm(2/m2/m2/m)
4.BB.	Magnéliite	Ti³⁺₂Ti⁴⁺₂O₇	Tric. 1 : P1
4.BB.05	Qandilite	(Mg,Fe³⁺)₂(Ti,Fe³⁺,Al)O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Chromite	Fe²⁺Cr³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Filipstadite	(Fe³⁺_0.5Sb⁵⁺_0.5)Mn₂O₄	Iso.
4.BB.05	Jacobsite	Mn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Wernerkrauseite	Ca(Fe³⁺,Mn³⁺)₂Mn⁴⁺O₆	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.05	Harmunite	CaFe₂O₄	Orth. mmm(2/m2/m2/m) : Pbcm
4.BB.05	Zincochromite	ZnCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Deltalumite	(Al_0.67◻_0.33)Al₂O₄	Tet. 42m : P4m2
4.BB.05	Franklinite	Zn²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Cochromite	CoCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	'Nichromite'	(Ni,Co,Fe)(Cr,Fe,Al)₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Hercynite	Fe²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Gahnite	ZnAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Galaxite	Mn²⁺Al₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Guite	Co²⁺Co³⁺₂O₄	Iso.
4.BB.05	Coulsonite	Fe²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Vuorelainenite	Mn²⁺V³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Spinel	MgAl₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Cuprospinel	Cu²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Manganochromite	Mn²⁺Cr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Magnesiocoulsonite	MgV₂O₄	Iso. m3m(4/m32/m)
4.BB.05	Trevorite	Ni²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Magnesiochromite	MgCr₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Magnesioferrite	MgFe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Magnetite	Fe²⁺Fe³⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.05	Ulvöspinel	TiFe²⁺₂O₄	Iso. m3m(4/m32/m) : Fd3m
4.BB.10	Hetaerolite	ZnMn₂O₄	Tet. 4/mmm(4/m2/m2/m) : I4₁/amd
4.BB.10	Manganostibite	(Mn,Fe)₇SbAsO₁₂	Orth. mmm(2/m2/m2/m)
4.BB.15	Titanomaghemite	(Ti⁴⁺_0.5◻_0.5)Fe³⁺₂O₄	Iso. 432 : P4₃32
4.BB.15	Maghemite	(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄	Iso. 432 : P4₁32
4.BB.20	Tegengrenite	(Mn³⁺_0.5Sb⁵⁺_0.5)Mg₂O₄	Trig. 3 : R3
4.BB.25	Xieite	Fe²⁺Cr₂O₄	Orth. mmm(2/m2/m2/m)
4.BB.30	Carmeltazite	ZrAl₂Ti₄O₁₁	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.35	Feiite	Fe²⁺₂(Fe²⁺Ti⁴⁺)O₅	Orth. mmm(2/m2/m2/m) : Cmcm
4.BB.40	Maohokite	MgFe₂O₄	Orth. mmm(2/m2/m2/m) : Pnma
4.BB.45	Tschaunerite	(Fe²⁺)(Fe²⁺Ti⁴⁺)O₄	Orth. mmm(2/m2/m2/m) : Cmcm

Fluorescence of HausmanniteHide

In UV light:

Not fluorescent in ultraviolet

Other InformationHide

Magnetism:

Ferrimagnetic

Notes:

Pure hausmannite is ferrimagnetic with a very low Curie temperature of 42.5 K. Iron-rich (3 and 11.3 wt.% Fe2O3) hausmannite is anomalously strongly magnetic (Wessels mine).

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for HausmanniteHide

mindat.org URL:

https://www.mindat.org/min-1832.html
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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for HausmanniteHide

Reference List:

Hausmann, Johann Friedrich Ludwig (1813) Handbuch der Mineralogie (1st ed.). Vandenhoeck und Ruprecht. p.293

Haidinger, W. (1827) Royal Society of Edinburgh, Transactions: 11: 127.

Haidinger, W. (1828): Mineralogische Beschreibung der Manganerze. I. Prismatoïdisches Manganerz, Manganit. II. Pyramidales Manganerz, Hausmannit. III. Untheilbares Manganerz, Psilomelan. IV. Brachytypes Manganerz, Braunit. V. Prismatisches Manganerz, Pyrolusit.- Poggendorffs Annalen der Physik und Chemie 14, 197-211

Turner, E. (1828) Chemical examination of the oxides of manganese. Part II. On the composition of the ores of manganese described by Mr. Haidinger. The Philosophical Magazine: 4: 96-104.

Haidinger, M.W. (1831) II. Pyramidal Manganese-ore Hausmannite. Transactions of the Royal Society of Edinburgh: 11: 127-129.

Rammelsberg, J. (1865) Ann. Phys.: 124: 521.

Gorgeu, Alex. (1883) Sur la production artificielle de la hausmannite. Bulletin de Minéralogie, 6 (5) 136-139 doi:10.3406/bulmi.1883.1807

Flink, G. (1888) Ak Stockholm, Bh.: 12(7): 40.

Koechlin (1908) Über Hausmannit und Braunitkrystalle von Brasilien. Min. Mitt.: 27: 262.

Miser, H.D., Fairchild, J.G. (1920) Hausmannite in the Batesville district, Arkansas. Washington Academy of Science Journal: 10(1): 1-8.

Aminoff, G. (1926) Über die Kristallstruktur von Hausmannit (MnMn2O4). Zeitschrift für Kristallographie, 64 (1). 475-490 doi:10.1524/zkri.1926.64.1.475

Krüll (1932) Chem. Erde: 7: 473.

Palache, C., Berman, H., Frondel, C. (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume I: 707: 712-715.

Hook, H. J. Van, Keith, M. L. (1958) The system Fe3O4-Mn3O4. American Mineralogist, 43 (1-2) 69-83

Satomi, Ken'iti (1961) Oxygen Positional Parameters of Tetragonal Mn3O4. Journal of the Physical Society of Japan, 16 (2). 258-266 doi:10.1143/jpsj.16.258

Hewett, D. F. (1972) Manganite, hausmannite, braunite: Features, modes of Origin. Economic Geology, 67 (1). 83-102 doi:10.2113/gsecongeo.67.1.83

Neues Jahrbuch für Mineralogie, Monatshefte (1974) 375.

Frenzel, G. (1980) The manganese ore minerals. In I.M. Varentsov and G. Grassely, Eds., The geology and geochemistry of manganese, Schweizerbarth, Stuttgart, p. 25.

Pollert, Emil (1980) Tetragonal-to-cubic transformation of hausmannite. Journal of Solid State Chemistry, 33. 305-308 doi:10.1016/0022-4596(80)90150-4

Barbariol, Iginio, Roitti, Sergio (1984) An electroconductometric investigation of Mn3O4 and the Mn3O4-Mn2O3 transformation. Journal of Materials Science Letters, 3 (2). 181-183 doi:10.1007/bf00723109

Jarosch, D. (1987) Crystal structure refinement and reflectance measurements of hausmannite, Mn₃O₄. Mineralogy and Petrology, 37 (1) 15-23 doi:10.1007/bf01163155

Cornell, R. M. (1988) Transformation of Hausmannite into Birnessite in Alkaline Media. Clays and Clay Minerals, 36 (3) 249-257 doi:10.1346/ccmn.1988.0360306

Gutzmer, J., Beukes, N. J., Kleyenstuber, A. S. E., Burger, A. M. (1995) Magnetic hausmannite from hydrothermally altered manganese ore in the Palaeoproterozoic Kalahari manganese deposit, Transvaal Supergroup, South Africa. Mineralogical Magazine, 59 (397). 703-716 doi:10.1180/minmag.1995.059.397.12

Baron, V., Gutzmer, J., Rundlof, H., Tellgren, R. (1998) The influence of iron substitution in the magnetic properties of hausmannite, Mn²⁺(Fe,Mn)³⁺₂O₄. American Mineralogist, 83 (7-8). 786-793 doi:10.2138/am-1998-7-810

Fritsch, S, Sarrias, J, Rousset, A, Kulkarni, G.U (1998) Low-temperature oxidation of Mn3O4 hausmannite. Materials Research Bulletin, 33 (8). 1185-1194 doi:10.1016/s0025-5408(98)00108-1

Gillot, B, El Guendouzi, M, Laarj, M (2001) Particle size effects on the oxidation–reduction behavior of Mn3O4 hausmannite. Materials Chemistry and Physics, 70. 54-60 doi:10.1016/s0254-0584(00)00473-9

(2005) Hausmannite. Handbook of Mineralogy. Mineralogical Society of America

Antao, Sytle M., Cruickshank, Laura A., Hazrah, Kaveer S. (2019) Structural Trends and Solid-Solutions Based on the Crystal Chemistry of Two Hausmannite (Mn3O4) Samples from the Kalahari Manganese Field. Minerals, 9 (6) 343 doi:10.3390/min9060343

Bernardini, Simone, Bellatreccia, Fabio, Della Ventura, Giancarlo, Ballirano, Paolo, Sodo, Armida (2020) Raman spectroscopy and laser-induced degradation of groutellite and ramsdellite, two cathode materials of technological interest. RSC Advances, 10 (2). 923-929 doi:10.1039/c9ra08662e

Song, Boyoung; Rashid, Mohammad M.; Elzinga, Evert J.; Kim, Bojeong (2025) Impacts of Structural Impurities and Solution pH on Hausmannite Transformation to Birnessite: Environmental Implications for Metal Solubility and Sequestration. Minerals, 15 (7). doi:10.3390/min15070697

Localities for HausmanniteHide

Showing 452 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Algeria
Skikda Province Azzaba District Es Sebt ⓘ Djebel Guettara Mn deposit	Seghir N. (2012)

Arabian Plate
Semail Ophiolite ⓘ Khawr Fakkan Massif (Khor Fakkan)	Gnos et al. (1995)

Argentina
Chubut Province Biedma Department Arroyo Verde ⓘ Arroyo Verde Deposit	Padrón de Minas de la Provincia de Chubut (2005)
ⓘ Tucumán Province	Peña (1970)
ⓘ Burruyacú Department	Peña (1970)
Tafí Viejo Department El Cadilllal ⓘ Río Loro	Ávila

Australia
New South Wales Forbes Co. Grenfell ⓘ Hoskins mine	Huebner +6 other references
Inglis Co. Bendemeer ⓘ Bendemeer Manganese Mine 2	Brown et al. (1992)
ⓘ Danglemah 1 (Black and White Mine)	Brown et al. (1992)
Danglemah ⓘ Black and White Mine (Danglemah No 1 Mine; O'Neill's Danglemah deposit)	Hall (1959)
ⓘ Danglemah Mine (Dangelmare Mine)	Howarth (1973)
ⓘ Woods Mine (Wood's Rhodonite Mine)	Kawachi et al. (1994)
Yancowinna Co. Broken Hill district ⓘ Broken Hill	Worner et al. (1982)
Northern Territory Barkly Region ⓘ Bootu Creek Manganese Mine	Scriven et al. (2007)
Queensland Cloncurry Shire Kuridala ⓘ ~~Overhang open cut (Overhang Mine)~~	www.crocoite.com (2004)
Gympie Region Amamoor Creek ⓘ Amamoor Mine	Townend et al. (2019)
South Australia Barossa Council Penrice ⓘ Moculta Phosphate Quarry ?
Pastoral Unincorporated Area Iron Knob ⓘ Iron Monarch Main Pit	Pilkington et al. (1979) +2 other references
Western Australia East Pilbara Shire ⓘ Mount Sydney Manganese Mine	Williams +3 other references

Austria
Carinthia Hermagor District Lesachtal ⓘ Valentintörl	Niedermayr et al. (1995)
Salzburg Tamsweg District Tweng ⓘ Fuchs Alp - Fuchs lake area	Kolitsch et al. (2021)
ⓘ Radiolarite outcrop (incl. Gfrererloch)	Strasser (1989)
ⓘ Lagler	Kolitsch et al. (2025)
Zell am See District Kaprun Mooserboden reservoir ⓘ Mooser dam	Strasser (1989)
ⓘ Schmieding glacier	Strasser (1989)
Uttendorf Fellern Ferschbach valley ⓘ Lower Ferschbach Alp	Strasser (1989)
Tyrol Innsbruck-Land District Navis ⓘ Navis stream (Navis creek)	Kolitsch et al. (2019)
Obernberg am Brenner ⓘ Obernberger Tribulaun	Kolitsch et al. (2018)
Trins ⓘ Kirchdachspitze	Kolitsch et al. (2021)
Lienz District Prägraten am Großvenediger Timmelbach valley ⓘ Wunwand (Wunspitze)	Kolitsch et al. (2019)

Belgium
Wallonia Liège ⓘ Marchin	Fransolet et al. (1975) +2 other references
Luxembourg Vielsalm ⓘ Bihain	Fransolet et al. (1975) +2 other references

Bolivia
Beni Itenez Province ⓘ Serrania de San Simon	Salomon Rivas & Federico Ahlfeld: Los Minerales de Bolivia y sus Parajes (Santa Cruz de la Sierra, 1998)
Santa Cruz Germán Busch Province ⓘ El Mutún (Serranía Mutún)	Osvaldo R. Arce Burgoa (2007)
Ñuflo de Chavez Province ⓘ Puquio Norte Mine	Osvaldo R. Arce Burgoa (2007)

Bosnia and Herzegovina
Federation of Bosnia and Herzegovina Sarajevo Canton Ilijaš ⓘ Čevljanovići manganese deposit	Vujanovic (1962)

Brazil
Bahia Urandi ⓘ Urandi Mn deposit	Varentsov (1996)
Mato Grosso do Sul Corumbá Urucum massif ⓘ Figueirinha mine	Biondi et al. (2020)
Minas Gerais ⓘ Ouro Preto
ⓘ Miguel Burnier	- (n.d.)
ⓘ Serra do Sapo deposit Conceição do Mato Dentro	Porter Geoconsultancy website

Bulgaria
Smolyan Province Zlatograd Municipality ⓘ Bellevica deposit	Dimitrov (1961)

Burkina Faso
Sahel Region Oudalan Province ⓘ Tambao Mine	Hénocque et al. (1998) +1 other reference

Canada
British Columbia Skeena Mining Division Haida Gwaii Graham Island Klashwun Point ⓘ Shag Rock Mn Occurrence	Peatfield (n.d.) +1 other reference
Slocan Mining Division Kaslo ⓘ Manganese No.1 ?	personal correspondence with Giles Peatfield (see comments in description)
Nova Scotia Colchester Co. Truro ⓘ Black Rock	Bishop et al. (1974)
Hants Co. Cheverie ⓘ Macumber mine	Sabina (2015) +1 other reference
ⓘ Tennycape mine (Teny Cape mine)	Ronnie Van Dommelen collection.
Walton ⓘ Walton baryte mine (Magnet Cove Barium Corp. mine)	Hewett (1968)

Chile
Antofagasta Antofagasta Province La Negra-Coquimbana district ⓘ Coquimbana mine	Pincheira et al. (1990)
ⓘ La Negra mine	Pincheira et al. (1990)
Coquimbo Elqui Province La Serena ⓘ Arqueros Ag mining district	Oyarzun et al. (1998)
Limarí Province Fragua district ⓘ Fragua mine	C. Ruiz Fuller/F. Peebles (1988)

China
Fujian Longyan Liancheng Co. Liancheng Mn deposit ⓘ Miaoqian Mine	Lisheng Luo (1988)
Guangxi Baise Jingxi Co. ⓘ Hurun Mine	Ruixia Hao and Guangyue Guan (1995)
Chongzuo Daxin Co. ⓘ Xialei Mine (Daxin Mine)	Ruixia Hao and Guangyue Guan (1995) +1 other reference
Guizhou Zunyi Bozhou District ⓘ Zunyi Mn deposit	Varentsov (1996)
Hubei Huangshi Yangxin Co. ⓘ Yinshan Ag-Pb-Zn deposit	Junping Dong (1992)
Wuhan Huangpi District ⓘ Tuanshangou Mine	Jingqu Yao (1992)
Hunan Xiangtan Yuhu District ⓘ Xiangtan Mine	Xiang Gao et al. (2003)
Yiyang Heshan District ⓘ Tangganshan Mine	Hunan Metallurgical Geology Research Team 236 (1977) +1 other reference
Inner Mongolia Chifeng City (Ulanhad League; Chifeng Prefecture) Linxi County Guandi ⓘ Guandi Ag-Au deposit	Baisheng Zhang (1998)
Xilingol League (Xilinguole Prefecture) East Ujimqin Banner (Dongwuzhumuqin Co.; Dongwu Qi) ⓘ Changtuxili Mn–Ag–Pb–Zn-polymetallic deposit	Zhang et al. (2020)
Jiangxi Jingdezhen Leping Co. ⓘ Lehua Mn-Pb-Zn deposit	Jiuling Zhang (1982)
Liaoning Chaoyang Chaoyang County ⓘ Wafangzi Fe-Mn deposit	Metallurgical Geology Research Team 236 (1977)
Huludao Lianshan District ⓘ Dongqingpu Ag-Zn deposit	Yongwei Li et al. (2010)
Qinghai Golog Tibetan Autonomous Prefecture Maqên Co. Dur'ngoi Ophiolite ⓘ De'erni Cu-Co-(Zn) deposit (Derni Cu-Co-(Zn) deposit)	Duan Guolian (1991)
Haibei Tibetan Autonomous Prefecture Qilian Co. ⓘ Wolonggou Mn deposit	Jiuling Zhang (1982)
Shaanxi Ankang Ziyang County ⓘ Qujiashan Mine	Pingyi Wan (2002)
Hanzhong Xixiang County ⓘ Shuijingping Mn deposit	Pingyi Wan (2002)
Zhenba County ⓘ Liziya Mn deposit	Pingyi Wan (2002)
Sichuan Dazhou Wanyuan Co. ⓘ Dazhuhe Mn deposit	Pingyi Wan (2002)
ⓘ Haoziping Mn deposit	Pingyi Wan (2002)
Leshan Jinkouhe District ⓘ Dawashan Mn deposit	Xingfen Wang (1989) +2 other references
Meishan Hongya County ⓘ Laokuangshan Mn deposit	Hongjun Qu (1992)
Mianyang Pingwu Co. Mount Little Xuebaoding Huya township ⓘ Huya-Siwangpu Mn deposit	Jiuling Zhang (1982)
Youxian District ⓘ Shikan Mine	Jiuling Zhang (1982)
Ngawa Autonomous Prefecture (Aba Autonomous Prefecture) Heishui Co. ⓘ Hongyan	Shengming Lu (1988)
Ya'an Hanyuan County ⓘ Jiaodingshan Mn-Co deposit	Hongjun Qu (1992) +1 other reference
ⓘ Shibangou Mn deposit	Hongjun Qu (1992)
Xinjiang Bayin'gholin Autonomous Prefecture Hejing Co. (Xejing Co.) Baluntai ⓘ Motuosala Fe Mine (Motuosarla Mine; Motuoshala Mine)	Jiuling Zhang (1982) +1 other reference
Yunnan Dali Heqing County ⓘ Heqing Mn deposit	Xingyu Yang (1989) +2 other references
ⓘ Xiaotianjing Mine	Yang Yuchun (1996) +1 other reference
Honghe Jianshui County ⓘ Baixian Mine	Hunan Metallurgical Geology Research Team 236 (1977) +1 other reference
Wenshan Yanshan County ⓘ Dounan Mine	Wenxin Yu (1980)

Egypt
South Sinai Governorate Abu Zeneima (Abu Zenima) ⓘ Umm Bugma (Um Bogma)	Manganese Reserves and Resources of the ... +1 other reference
ⓘ Gabal Allouga	Sallam (2020)
Um Bogma area ⓘ Um Bogma Formation	Afify et al. (2022)

Finland
North Karelia Tohmajärvi ⓘ Oriselkä pegmatite	Alviola

France
Bourgogne-Franche-Comté Haute-Saône Lure Esmoulières ⓘ Saphoz	Perseil et al. (2000)
ⓘ La Corveraine workings	Wittern et al. (1997)
ⓘ Le Couvent workings	Perseil (1975)
ⓘ Les Rans workings (Forêt des Mottes)	Perseil (1975)
Occitanie Ariège ⓘ Las Cabesses	Perseil (1967)
Haute-Garonne Saint-Gaudens Boutx ⓘ Tuc Usclat	Inventaire minéralogique de la France ...
Hautes-Pyrénées Aure Valley Nabias ⓘ Plan de Labasse	European J. Mineralogy +1 other reference
Pyrénées-Orientales Prades Corneilla-de-Conflent Plateau d'Ambulla (Las Ambollas) ⓘ Manganese Ore Fields	Berbain et al. (2005)
Provence-Alpes-Côte d'Azur Alpes-de-Haute-Provence Barcelonnette Saint-Paul-sur-Ubaye Maljasset ⓘ Combe Brémond	Bourbon et al. (1972)

Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Eisenbach ⓘ Oberfahlenbach	Walenta (1992)
ⓘ Rappenloch Mine	Weiß (1990)
Ortenaukreis Gengenbach Gengenbach ⓘ Silberbrünnle Mine	Walenta (1989) +1 other reference
Oberkirch Oberkirch ⓘ Hesselbach Mine	Walenta (1992)
Wolfach ⓘ Hohberg baryte veins	Walenta (1992)
Zell am Harmersbach Nordrach Schottenhöfen ⓘ Otto Mine
Schwarzwald-Baar-Kreis Triberg im Schwarzwald ⓘ Kesselberg area	Walenta (1992)
Unterkirnach ⓘ Ferdinand Mine	Walenta (1992)
Bavaria Lower Franconia Aschaffenburg District Sailauf Hartkoppe ⓘ Fuchs Quarry	Lorenz (1991) +2 other references
Hesse Giessen Region Giessen Biebertal Fellingshausen ⓘ Eleonore Mine	Weiß (1990)
Limburg-Weilburg Runkel Steeden ⓘ Limestone quarries ?	Weiß (1990)
Lower Saxony Peine District Ilsede ⓘ Bülten-Adenstedt Mine	Weiß (1990)
North Rhine-Westphalia Arnsberg Siegen-Wittgenstein Siegen Eiserfeld ⓘ Eisenzecher Zug mine	Wittern (2001)
Rhineland-Palatinate Trier-Saarburg Saarburg-Kell Greimerath ⓘ Louise Mine	Aufschluß 76/2 & 88/5
Saxony-Anhalt Harz Oberharz am Brocken Elbingerode ⓘ Einheit Mine	Schaarschmidt (2003)
Schävenholz ⓘ Kaiser Franz Mine (König Wilhelm Mine)	Witzke (2013)
Saxony Erzgebirgskreis ⓘ Schneeberg
Thuringia Gotha District Friedrichroda Gottlob Hill ⓘ Glücksstern Mine	Mandarino (2001) +1 other reference
Ilm District ⓘ Elgersburg	Wittern (2001)
Geratal ⓘ Arlesberg	Wittern (2001)
Ilmenau Langewiesen ⓘ Oehrenstock (TL)	Hausmann (1813)
Nordhausen District Harztor Ilfeld ⓘ Manganese deposit	MOHS (1824)
ⓘ Silberkopfzeche (Grube Ilfelds Mangan)	https://www.mineralienatlas.de/?l=45826

Greece
Attica East Attica Lavreotiki Elaiochori Dipseliza mines ⓘ Dipseliza Mine No. 28	Rieck et al. (2020)
ⓘ Lavrion Mining District	Rieck et al. (2020)
Eastern Macedonia and Thrace Drama Kato Nevrokopi ⓘ Mavro Xylo Mine	Soulamidis et al. (2024)
South Aegean Paros ⓘ Paros
Vounia Lefkon ⓘ Thapsana skarn	Tombros et al. (2023)

India
Andhra Pradesh Visakhapatnam District ⓘ Kodúr Mines	Roy (1960)
Vizianagaram District ⓘ Garividi deposit	Sivaprakash (1981)
ⓘ Koduru Mine	Sivaprakash (1980)
ⓘ Sadanandapuram deposit	Sivaprakash (1980)
Madhya Pradesh Jabalpur Division Balaghat District ⓘ Balaghat Mine	Sarkar (2015)
ⓘ Netra manganese project	Dasgupta et al. (1987)
Chhindwara District ⓘ Gowari Wadhona Mine	Roy et al. (1968)
Maharashtra Nagpur Division Bhandara District ⓘ Chikala	Dasgupta et al. (1984)
ⓘ Dongri Buzurg Mine	Roy (1968)
Odisha Rayagada District ⓘ Nishikhal Mn deposit	Acharya et al. (1997)

Indonesia
Bangka-Belitung Province Belitung Island (Biliton Island) East Belitung Regency ⓘ Kelapa-Kampit Mine (Klappa Kompit; Klappa-Kampit; Nam Salu)	Schwartz (1990)

Iran
Isfahan Province Ardestan County ⓘ Band-e-Cherk ferromanganese occurrence	Shahin et al. (2023)

Italy
Aosta Valley Saint-Marcel Servette-Chuc mining complex ⓘ Praborna Mine	Castello (1982)
Apulia Metropolitan City of Bari ⓘ Calcare di Altamura Formation	Fornelli et al. (2026)
Campania Caserta Gallo Matese ⓘ San Bartolomeo Mine	Boni et al. (1976) +1 other reference
Metropolitan City of Naples ⓘ Mount Vesuvius	Freda (1885) +4 other references
Terzigno ⓘ Vitiello Quarry (Cava Vitiello)	Luigi Chiappino data
Torre del Greco ⓘ Camaldoli della Torre	Freda (1885) +1 other reference
ⓘ Villa Inglese quarries	Freda (1885) +5 other references
ⓘ Vesuvius fumaroles	Freda (1885) +4 other references
Liguria Genoa Ne ⓘ Cassagna Mine	Redazionale (2005)
ⓘ Molinello Mine
ⓘ Monte Bossea Mine	Antofilli et al. (1983)
Reppia ⓘ Gambatesa Mine	Pipino (1984)
Statale ⓘ Scrava Mine (Statale Mine)	Balestra (2016) +1 other reference
La Spezia Province Borghetto di Vara ⓘ Cerchiara Mine	EDX analysis
Rocchetta di Vara ⓘ Monte Nero Mine	Bracco et al. (2014)
Lombardy Sondrio Province Chiesa in Valmalenco Muretto Valley ⓘ Muretto Pass	- (n.d.)
Lanzada ⓘ Scerscen Valley	- (n.d.)
ⓘ Lower Scerscen Glacier	Bedognè et al. (1993) +1 other reference
Marche Macerata Province ⓘ Poggio San Vicino	P. Mattias- M. Guerra (2008)
Piedmont Cuneo Province Montaldo di Mondovì Borgata Oberti ⓘ Montaldo Mine (Montaldo di Mondovì Mine) ?	Kolitsch et al. (2011)
Valdieri San Lorenzo ⓘ Lausetto Mine	Parola (2015)
Metropolitan City of Turin Salbertrand ⓘ Case Berge	Ambrino (Piero)
Tuscany ⓘ Livorno Province ?	Bonifazi (2020)
Massa-Carrara Province Fivizzano ⓘ Scortico-Ravazzone mine	Biagioni et al. (2025)
Siena Province Murlo Pompana ⓘ Fosso della Chiesa Mine	R. Meli (1999)

Jamaica


Japan
Aichi Prefecture Kitashitara County Shitara ⓘ Taguchi mine	Ishida et al. (2004)
Ehime Prefecture Iyo district Tobe-cho ⓘ Furumiya mine	Fukuoka (1981)
Ouzu City ⓘ Kamisugai mine	Fukushima et al. (2005) +1 other reference
Seiyo City Nomura ⓘ Nomura mine (Nomura-Maruno mine)	- (n.d.)
Shirokawa ⓘ Ippo-Kagiyama mine	Nakagawa et al. (2009)
Fukui Prefecture Mikatakaminaka District Wakasa-cho ⓘ Fujii mine	Kato (2010)
Fukushima Prefecture Iwaki City ⓘ Gozaisho Mine	MATSUBARA et al. (1996)
Yama District Nishiaizu-machi ⓘ Kuratani mine	Fukuoka (1981)
Gifu Prefecture ⓘ Fukutomi mine	Lee (1955)
ⓘ Nagashima Mine	Donald E. Lee (1955)
Gunma Prefecture ⓘ Atago mine	Fukuoka (1981)
Kiryu City ⓘ Kurokawa mine	Minerals in Japan (Field Best Encyclopedia V. 15, 2003)
ⓘ Mogurazawa mine	Matsubara Satoshi et al. (1980) +1 other reference
ⓘ Shohwa mine (Showa mine)	FUKUOKA et al. (1977) +1 other reference
Tsukubara mine ⓘ Vein No. 1	Nishio-Hamane et al. (2023)
Midori City Seta ⓘ Hagidaira mine	- (n.d.) +1 other reference
ⓘ Hanawa mine	FUKUOKA et al. (1977)
ⓘ Rito mine (Ritoh mine)	FUKUOKA et al. (1977) +2 other references
ⓘ Nakanoyama mine	FUKUOKA et al. (1977)
ⓘ Yamabishi mine	加藤昭 (1980)
Hyogo Prefecture Taka District ⓘ Fukuzumi mine	Yamada (2004)
Ibaraki Prefecture Takanomine mine ⓘ Ofuji adit	Mayumi Yoshinaga (1963)
Iwate Prefecture Karumai ⓘ Himegamori mine	Harada (1954)
Kuji City Yamagata ⓘ Hinosawa mine	- (n.d.)
ⓘ Kawai mine	- (n.d.)
ⓘ Taki mine	Fukuoka (1981)
ⓘ Toyoguchi mine (Toyokuchi mine)	Nambu et al. (1961)
ⓘ Yamagata mine	- (n.d.)
Kunohe-gun Noda ⓘ Noda-Tamagawa mine	- (n.d.) +1 other reference
ⓘ Sainokami mine	- (n.d.)
Kuzumaki ⓘ Fujikura mine	- (n.d.)
Morioka City ⓘ Kumanosawa mine	- (n.d.)
Shimohei District ⓘ Daiichi-Fukushi mine	- (n.d.)
ⓘ Fukushi mine	- (n.d.)
Yamada-machi ⓘ Otaniyama mine	- (n.d.)
Yamada ⓘ Toyomane mine	- (n.d.)
ⓘ Takahata mine	- (n.d.)
Kagoshima Prefecture Oshima District Setouchi-cho ⓘ Nishikata mine (Kudadon mine)	Toyofumi Yoshimura et al. (1969) +1 other reference
Kanagawa Prefecture Hadano City ⓘ Dainichi mine	Mineralogical Journal Vol. 17 (1994)
Kochi Prefecture Agawa District Ino ⓘ Kamoyama mine	Stefan Wolfsried photo
Kami City ⓘ Matsuo mine	加藤昭 (1980)
Nankoku city ⓘ Ananai mine	Minakawa et al. (2008)
ⓘ Nagakawara deposit	Nakagawa et al. (2009)
Kyoto Prefecture Kyoto City Kita-ku ⓘ Senzoku-Gohoutani mine (Gohodani mine)	Masutomi Museum specimen (Kyoto) +1 other reference
Sakyou-ku ⓘ Dainimachi mine	Masutomi Museum specimens
Ukyou-ku ⓘ Ashidani mine (Ashitani mine)	Masutomi Museum specimens +1 other reference
Nantan City Miyama ⓘ Tanba mine	Yamada (2004)
Miyazaki Prefecture Nishiusuki District Hinokage ⓘ Shimozuru mine	Fukuoka (1981)
Takachiho ⓘ Akimoto mine	Uehara et al. (2014)
Nagano Prefecture Kamiina District ⓘ Hamayokokawa mine (Hamayokogawa mine)	Lee (1955) +1 other reference
ⓘ Asahi orebody	Akira Kato (2011)
ⓘ Principal orebody	Akira Kato (2011)
Oita Prefecture Tsukumi City ⓘ Kuratomi mine	Petrov (n.d.)
Saitama Prefecture Chichibu City Urayama ⓘ Hirogawara mine (Hirogawarasawa)	K. Nishikubo et al. (2005)
Hanno City ⓘ Komatsu mine	Yamada (2004)
Nichiden mine (Nihon Denki mine) ⓘ Hotokeana adit	Kato (2012)
ⓘ Oukura mine (Ohkura mine)	Kato (2010)
Shiga Prefecture Gamo District ⓘ Yaei mine	Yamada (2004)
Kusatsu City ⓘ Ioi mine	Harada (1954) +2 other references
Takashima City ⓘ Kumanohata mine	Yamada (2004)
ⓘ Tengan mine	Yamada (2004)
Shizuoka Prefecture Numazu City ⓘ Tahifunakoshi	Akira Kato (2009)
Tochigi Prefecture ⓘ Dainichizawa mine	Fukuoka (1981)
ⓘ Juuniyashima mine	Fukuoka (1981)
ⓘ Kamibishi mine	加藤昭 (1980)
Kanuma City ⓘ Kaso Mine	Akira Kato (undated manuscript)
ⓘ Kuranosawa mine	Fukuoka (1981)
ⓘ Nomine mine	Fukuoka (1981)
ⓘ Ogaki mine	University of Tokyo collection
Sano City ⓘ Hikari No. 2 mine	Collection of NHM
Tokushima Prefecture ⓘ Dosu mine	Fukuoka et al. (1988)
Tokyo Metropolis Nishitama district Okutama-cho ⓘ Kiyokawa mine	加藤昭 (1980) +1 other reference
ⓘ Okutama mine	Bull. Kanagawa pref. Mus. (Nat. Sci.)
Yamaguchi Prefecture ⓘ Kinko mine	Lee (1955)
ⓘ Tennoh mine (Tenno mine)	Fukuoka (1981)
Yamanashi Prefecture Minamikoma District Minobu Shimobe ⓘ Kusama mine	...

Kazakhstan
Karaganda Region Aktogay District ⓘ Karatas Cu-Mo deposit	Singer et al. (2008)
Ulytau Region Karazhal ⓘ Ushkatyn deposits (Ushkatan)	Evseev (1995)
Zhayrem (Zhairem) ⓘ Ushkatyn No. 3 deposit (Ushkatyn-III deposit)	V.V. Kalinin data +3 other references
Zhanaarka District Atasu Mine ⓘ Zhomart Fe-Mn deposit (Dzhumart)	Kayupova (1964)

Mauritania
Assaba Region Mbout ⓘ Km6 route M'Bout/Soufa	Marsh et al. (2015)

Mexico
Coahuila Sierra Mojada Municipality Sierra Mojada ⓘ Rosa group intrusives	Mineralogical Magazine 1964 33 : 841-852
Durango Mapimí Municipality Mapimí ⓘ América Dos Mine	Moore (2008)
ⓘ Ojuela Mine	Moore et al. (2003)
ⓘ America Dos	Moore et al. (2003)
ⓘ San Juan Poniente	Moore (2008)
ⓘ San Pedro Mine	Panczner (1987)

Mongolia
Bayanhongor Province Bayan-Öndör District ⓘ Altan Nar polymetallic deposit	MacDonald et al. (2024)

Morocco
Béni Mellal-Khénifra Region Azilal Province ⓘ Idikel Mn deposit	Varentsov (1996)
Drâa-Tafilalet Region Zagora Province Agdz Cercle Tansifte Caïdat ⓘ Tachgagalt Mine	FAVREAU G. & DIETRICH J.E. (2006)
ⓘ Jbel Saghro
Oriental Region Figuig Province Figuig Cercle ⓘ Bouarfa Fe-Mn Mine	Choukrad et al. (2022)

Myanmar
Shan State Mong Hpayak District ⓘ Wan Saw–Wan Phai Mn deposit	Zaw (2017)

Namibia
Otjozondjupa Region Omatako Constituency ⓘ Otjosondu	von Bezing (2007) +1 other reference
Otavi Constituency Kombat ⓘ Kombat Mine	American Mineralogist +1 other reference
ⓘ Asis West sector	Criddle et al. (1990)

Nigeria
Nasarawa Awe ⓘ Akiri vein deposit	Baba et al. (2013)

North Macedonia
Probistip Municipality Kratovo-Zletovo ore district ⓘ Zletovo Mine	Bulletin of the Chemists and Technologists of Macedonia et al. (2004) +1 other reference

Norway
Telemark Tokke Botnedal ⓘ Brandsnuten manganese deposit	Westerweld (1961)

Oman
ⓘ Semail Ophiolite (Samail Ophiolite)	AmMin 85:242-250

Pacific Ocean
Bering Sea ⓘ Piyp seamount	Glasby et al. (2006)

Poland
Lower Silesian Voivodeship Jawor County Gmina Męcinka Stanisławów ⓘ Wilcza iron mine	Lis et al. (1986)

Portugal
Beja Beja Santa Vitória e Mombeja ⓘ Ferrarias e Castelo Mine	Oliveira et al. (2025)
Castro Verde Castro Verde e Casével ⓘ Herdade do Ferragudo Mine	Oliveira et al. (2025)

Romania
Bihor County Pădurea Craiului Mountains Șuncuiuș clay mine ⓘ Peștera Vântului (Wind Cave)	Onac (2025)
Caraş-Severin County Brebu ⓘ Delineşti deposit	Hârtopanu et al. (1996)
Harghita County ⓘ Ditrău Complex	Pál Molnár (2000)
Maramureș County Târgu Lăpuș ⓘ Răzoare	Hirtopanu et al. (2015)

Russia
Adygea (Republic of Adygea) Maykopsky District ⓘ Belorechenskoe deposit	Pekov I.V. et al. (2010)
Bashkortostan ⓘ Bikkulovskoe deposit	Brusnitsyn et al. (2009)
Sibay ⓘ Yuzhno-Faizulinskoe Mn deposit (South Faizuly deposit; South Faizulino deposit)	Brusnitsyn (2006)
Chelyabinsk Oblast Chebarkulsky District ⓘ Zmeinogorskoe Mn deposit	Chukanov et al. (2021)
Jewish Autonomous Oblast ⓘ Poperechny Fe-Mn deposit	Nevstruev et al. (2019)
Kamchatka Krai Yelizovsky District ⓘ Mutnovskoe	Okrugin et al. (an Example of Mutnovsky Geothermal Area, Southern Kamchatka)
Khabarovsk Krai Malyi Khingan Range ⓘ Malyi Khingan Mn deposits	Varentsov (1996)
Khakassia (Republic of Khakassia) Askizsky Rayon Askiz ore district ⓘ Chapsordag deposit	Kassandrov et al. (2009)
ⓘ Malosyrsky deposit	Kassandrov et al. (2009)
Komi Republic ⓘ Parnok Fe-Mn deposit (Parnokskoye deposit)	Brusnitsyn (2013)
Sakha Aldan ⓘ Unnamed placers	A.A. Kim (2001)
Polar Yakutia ⓘ Tomtor Massif	Econ Geol (1995)
ⓘ Ural Economic Region

Slovakia
Banská Bystrica Region ⓘ Banská Štiavnica District	Ďuďa R. et al. (1993)
Košice Region Rožňava District Čučma ⓘ Čierna baňa	Števko M. et al. (Slovenská republika) +1 other reference
Nitra Region Levice District ⓘ Pukanec	Koděra et al. (1986)

South Africa
North West Ngaka Modiri Molema District Municipality Ramotshere Moiloa Local Municipality ⓘ Genadendal	Martini (1990) +1 other reference
Northern Cape Gamagara Ridge Western Belt ⓘ Paling farm	Gutzmer (1996)
John Taolo Gaetsewe District Municipality Gamagara Local Municipality ⓘ Bruce Mine	Moore et al. (2011)
Joe Morolong Local Municipality ⓘ Avontuur deposit	Coetzee et al. (2024)
Black Rock ⓘ Black Rock Mine	Christophe Boutry Collcetion
Hotazel ⓘ Hotazel Mine	Wilson et al. (1978) +1 other reference
ⓘ Mamatwan Mine	Preston (2009) +1 other reference
ⓘ Middelplaats Mine	Terracin (2014) +2 other references
N'Chwaning Mines ⓘ N'Chwaning I Mine	Pohl et al. (1991)
ⓘ N'Chwaning II Mine	Cairncross et al. (1995)
ⓘ N'Chwaning III Mine	Cairncross et al. (2013)
ⓘ Wessels Mine	Pohl et al. (1991) +2 other references
ZF Mgcawu District Municipality ⓘ Aucampsrust	Gutzmer (1996)
Tsantsabane Local Municipality Postmasburg ⓘ Kolomela Mine	Kumba Iron Ore
ⓘ Unnamed borehole	Costin et al. (2014) +1 other reference

Spain
Andalusia Almería Cuevas del Almanzora Las Herrerías ⓘ Fumarole field	Frias +2 other references
ⓘ Las Herrerías Mines	Navarro et al. (2009)
ⓘ Fossil fumaroles	Martinez Frias et al. (1992)
Huelva Los Marines ⓘ Sierra de Aracena	Jiménez-Millán et al. (1997)
Asturias Cangas de Onís Covadonga ⓘ Buferrera mines	Calvo Rebollar (2009)
Canary Islands Santa Cruz de Tenerife Province Tenerife ⓘ ~~Playa de Enramada~~	Dill et al. (2023)
Cantabria Sierra de Arnero La Florida mining area ⓘ El Soplao cave	Rossi et al. (2010)

Sweden
Dalarna County Hedemora Garpenberg ⓘ Garpenberg Norra Mine	Gatedal (n.d.) +1 other reference
Jönköping County Jönköping Ödestugu ⓘ Spexeryd-Hohult
Örebro County Hällefors Grythyttan ⓘ Sjögruvan	Igelström (1888) +2 other references
Lindesberg Nyberget ⓘ Nyberget ore field
ⓘ Mangruvan	Collection Bergsskolan (8120)
Värmland County Arvika Glava ⓘ Glassnäs	Lundegardh (1996)
Filipstad Långban Ore District ⓘ Gustavsgruvorna (Gustavs Mines)	Natural History Museum
ⓘ Lahäll Mines	Gatedal (n.d.)
ⓘ Långban Mine	Palache et al. (1951) +3 other references
ⓘ Anrikningsverk dump	Wiklund (2016)
ⓘ Bjelke's shaft dump	Grensman (2003)
ⓘ Bolivia stope	Adolfsson (1979)
ⓘ England stope	Adolfsson (1979)
ⓘ Garden dump	Nysten (2003)
ⓘ Irland working	Aminoff (1931) +1 other reference
ⓘ Japan working	Flink (1922)
ⓘ Pumphålet	Holtstam et al. (1999)
ⓘ The Lake dump	Gustafsson (2003)
Nordmark mining district Finnshytteberg ore field ⓘ Äng Mines
ⓘ Jakobsberg ore field	Magnusson (1929)
ⓘ Jakobsberg Mine	Flink (1891) +2 other references
ⓘ Nordmark Odal Field	Magnusson (1929)
ⓘ Brattfors Mine	Moore (1978)
ⓘ Finngruvan-Gröngruvan	Nysten (2003)
ⓘ Kitteln Mine	Sjögren (1891) +2 other references
ⓘ Moss mine	Magnusson (1929) +2 other references
Persberg ore district Pajsberg ⓘ Harstigen Mine	Nysten (1984)
ⓘ Stora Pajsberg Mine	Lee (1958)
Västra Götaland County Åmål Strandhem ore field ⓘ Kesebol mine	Holtstam +7 other references
Tibro ⓘ Marhult Mine	Sandtsröm (2002)

Switzerland
ⓘ Grisons
Viamala Region Ferrera Ausserferrera ⓘ Fianel	Stalder et al. (1998)
Rheinwald Splügen ⓘ Tanatz Alp	Roth et al. (2011)
St. Gallen Sarganserland Sargans ⓘ Gonzen Mine	Weibel et al. (1990)
Valais Leuk Turtmann-Unterems Turtmann Valley Pipjitälli ⓘ Pipji glacier	Stalder et al. (1998) +1 other reference
Visp Täsch Täsch Valley ⓘ Sparrenflue	Stalder et al. (1998)

Turkey
Burdur Province Burdur ⓘ Çamoluk deposits	TEKER et al. (2006)
Denizli Province Tavas Ulukent ⓘ Ulukent Mn deposit	Öztürk (1997)
ⓘ Zonguldak Province	USGS Prof Paper 550C ppC158-C161

UK
England Cornwall Lezant ⓘ Greystone Quarry	Elton et al. (2004)
Cumbria Copeland Cleator Moor ⓘ Cleator Moor Iron Mines	Goodchild (1875)
Egremont Bigrigg ⓘ Bigrigg Mine	[Specimen in the Natural History Museum
ⓘ Wyndham Mines	Day (1999)
Devon Teignbridge Doddiscombsleigh ⓘ Scanniclift Manganese Mine	Bernie Millington Collection
Somerset Mendip Cranmore ⓘ Torr Works Quarry	Turner et al. (2010)
Nunney ⓘ Colemans Quarry ?	Day (1999)
Wales Bridgend Porthcawl ⓘ Ty Coch Mine	Criddle et al. (1977)
Gwynedd Aberdaron Rhiw ⓘ Benallt Mine	Cotterell (2008)

United Arab Emirates
Bani Hamid complex ⓘ Hajar	Gnos et al. (2000)

USA
Alaska Yukon-Koyukuk Census Area Melozitna Mining District ⓘ Unnamed Occurrences (ARDF - TN011; Tozitna River; Ray Mountains)	- (2008)
Arizona Cochise County ⓘ Bisbee	Anthony et al. (1995)
ⓘ White Tail Deer Mine	Anthony et al. (1995)
Greenlee County Morenci ⓘ Morenci Mine	Merritt Stephen Enders (2000)
Maricopa County ⓘ Big Boulder & Iron Ridge prospect (Iron Ridge deposit; Big Boulder deposit)	MRDS file #10048190. +1 other reference
Pikes Peak Mining District ⓘ Pikes Peak prospect (Pikes Peak claims; Bessemer Mine; Iron Age Mine; Pig Iron Mine)	MRDS file #10027526.
Pima County Las Guijas & San Luis Mountains Arivaca Mining District (Las Guijas Mining District) ⓘ COD Mine	Hewett (1972) +1 other reference
Santa Cruz County Patagonia Mountains Harshaw Mining District Harshaw Hardshell Gulch ⓘ Hardshell Mine	Anthony et al. (1995)
Tyndall Mining District Cottonwood Canyon Glove Mine group (Zombie & Zeco claims; Festiago-Franklin; Blacksmith adit) ⓘ Glove Mine (Sunrise Mine)	Bideaux et al. (1960) +2 other references
Yavapai County Yarnell ⓘ Devils Nest Mine (Devils West prospect; Frederickson placer)	Melchiorre et al. (2018)
Arkansas ⓘ Batesville Mining District	Howard (1987)
Independence County ⓘ Cushman	Excalibur Mineral Corp. - Mineral News
ⓘ Cutter Mine	Miser (1922)
ⓘ Hankins Hollow Mine	Miser (1922)
ⓘ Lower Cave Creek Manganese Limestone	- (2005)
ⓘ Manganese Cave Mine (Harvey Mine; Penters Bluff Cave Mine)	Miser (1922)
Izard County ⓘ Batesville Manganese Mining District	- (2005)
ⓘ Pugh Mine	Miser (1922)
ⓘ Sharp County	Ransom (1974)
Stone County ⓘ Batesville Northeastern Manganese Mining District	- (2005)
California Humboldt County Shelter Cove ⓘ Queens Peak Mining Company	- (2005)
Mariposa County West Belt Granite Springs Mining District Granite Springs ⓘ Caldwell Mine (Daly Mine)	Trask (1950) +5 other references
Nevada County Spenceville Mining District Higgins Corner ⓘ Smith Mine (Smith prospect)	Huebner +7 other references
Limekiln ⓘ Manga-Chrome Mine (Manga Chrome; Magna-Chrome Mine; Duggan Mine; Steams and Owens [?])	Huebner +8 other references
ⓘ Smith prospect	Flohr et al. (1992)
Placer County Ophir Mining District (Auburn Mining District; Duncan Hill Mining District) ⓘ Auburn	Fairbanks (1890) +1 other reference
Plumas County Edmanton Mining District (Meadow Valley Mining District) ⓘ Meadow Valley	Miser (1920) +1 other reference
San Joaquin County Ladd-Buckeye Mining District Castle Rock ⓘ Ladd Mine (Old Ladd Mine; Corral Hollow Mine; Carral Hollow Mine)	Bradley (1943) +2 other references
San Luis Obispo County Los Osos ⓘ Johe Ranch Mine (Johe Manganese deposit; Johe Ranch deposit; Irish Hills deposit)	Trask et al. (1943) +3 other references
ⓘ Welch Mine (Noble Electric Steel Company Mine / property)	Taliaferro (1943a) +5 other references
San Luis Obispo Prefumo Canyon ⓘ Staneuche Mine (Staneuche Manganese deposits; E.& W. deposits; East & West deposits)	Trask et al. (1943) +3 other references
Santa Clara County Black Wonder Mining District East Foothills ⓘ Mn occurrence	Rogers (1919) +7 other references
Sugarloaf Mountain ⓘ Pennsylvania Mine	Dunn et al. (1986)
Siskiyou County Klamath Mountains Liberty Mining District Snowden ⓘ Gray Ledge Mine (Pink Darling Mine; Defense deposit; National Defense claim; Claim No. 1; King claim)	O’Brien (1947) +2 other references
Stanislaus County Ladd-Buckeye Mining District Mount Oso ⓘ Buckeye Mine (Buckeye Mines; Wright Mine)	Huebner +10 other references
Trinity County Chicago Rock ⓘ Yolla Bolly Mountain claims (Lonesome Pine; Black Diamond; Black Pearl; Bertha property; Dahrman claim; Emma claim; Emma property; Reliance and Superior claims)	- (2005)
Klamath Mountains Upper Hayfork Creek area Red Mountain ⓘ Lucky Bill prospect (Lucky Bill property; Johnston; Old Bill Mine; Old Bill prospect; Old Bill property)	Hewett et al. (1961) +2 other references
Mad River Rock ⓘ Hale Creek Mine	Trask (1950) +3 other references
Ruth ⓘ White Oak prospect (Griffiths Mining & Development Company)	- (2005)
Shannon Butte Armstrong property ⓘ Armstrong No. 2 prospect (Savage Nos. 2 and 3 prospects)	Trask (1950) +2 other references
Three Forks ⓘ Blue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight)	Huebner +10 other references
Van Horn Peak ⓘ Double-A prospect (Double A prospect)	Trask (1950) +2 other references
Colorado Park County South Park ⓘ South Park Mining Company	Eckel et al. (1997)
Saguache County Alder Limonite Deposit (Round Hill Deposit; Miller Vein Deposit; Decker Creek Deposit) ⓘ Miller Vein Deposit	Eckel et al. (1997)
Blake Mining District (Mirage Mining District; Cotton Creek Mining District) ⓘ Iron King Prospect	- (2005)
Bonanza Mining District (Kerber Creek Mining District; Blake Mining District) ⓘ Pershing Mine (Pershing Manganese Mine; Saguache Manganese Mine No. 334)	- (2005)
Crestone Mining District (Baca Grant Mining District) ⓘ Elarton Manganese Deposit	- (2005)
Illinois Cook County Chicago ⓘ Lake Calumet	Roadcap et al. (2005)
Maine Aroostook County TD R2 WELS ⓘ Lower Maple Mountain Manganese Prospect	Pavlides et al. (1962)
ⓘ Upper Maple Mountain manganese prospect	Pavlides et al. (1962)
Michigan ⓘ Gogebic County	Heinrich et al. (2004)
Iron County Caspian ⓘ Caspian Mine	Heinrich et al. (2004)
Iron River Stambaugh ⓘ Cannon Mine (Bengal-Tully Mine)	Morris (1983)
ⓘ Marquette County	Heinrich et al. (2004)
ⓘ Negaunee	Heinrich et al. (2004)
Minnesota Saint Louis County Vermilion Range ⓘ Zenith Mine (Whiteside office et al)	Machamer (1964)
Missouri Madison County Fredericktown Mining District ⓘ Silver Mine	Sherwood et al. (1998)
Nevada White Pine County ⓘ Nevada Mining District	Castor et al. (2004)
New Jersey Sussex County Franklin ⓘ Franklin Mine	Dunn (2) +1 other reference
ⓘ Taylor Mine	Dunn (1995)
New Mexico Socorro County ⓘ San Lorenzo Mining District	Northrop et al. (1996)
ⓘ North Carolina
ⓘ Chatham County ?	Genth (1891) +1 other reference
ⓘ ~~Surry County~~	Genth et al. (1881)
Oklahoma Coal County Bromide ⓘ Mosley prospect	Rocks & Min. vol. 72 (1997)
Johnston County Bromide ⓘ Springbrook deposit (Viola prospect)	R&M 72:4 pp 252-264
Oregon Polk County ⓘ Dallas Manganese Occurrence (Oakdale Deposit)	- (2005)
South Dakota Lawrence County Spearfish ⓘ Adelphi Mine	- (2005)
ⓘ Seabury-Calkins mine	- (2005)
ⓘ Segregated Iron Hill mine	- (2005)
ⓘ Spanish R. mine (Richmond Claim)	- (2005)
Tennessee Bradley County Red Hills Mining District ⓘ Hambright Mine (Lord Mine)	Paris (2011)
Monroe County Sweetwater Barite Mining District-Eastern Belt ⓘ McGuire Mine (North Vida Mine)	Paris (2011)
ⓘ South Vida Mine	Paris (2011)
Texas Llano County ⓘ Horse Mountain	Smith (1991)
Mason County ⓘ Fly Gap-Brown area	Smith (1991)
Fly Gap ⓘ Spiller Mine (Spillen Mine)	Smith (1991)
Virginia Pittsylvania County James River-Roanoke River Mn-Fe-Ba Mining District ⓘ Hutter Mine (Herter Magnetite Mine)	AmMin 87:690-698 (2002)
Washington Clallam County ⓘ Bear Ridge Prospect	Valentine et al. (1956) +1 other reference
ⓘ Hurricane Mine	Derkey et al. (1990, November)
Lake Crescent Area ⓘ Bear Creek Mine	Derkey et al. (1990, November)
ⓘ Clallam Claim	Valentine et al. (1956) +1 other reference
ⓘ Crescent Mine	Rocks & Min.: 17:20. +1 other reference
ⓘ Daddy And Mother Prospect	Valentine et al. (1956) +1 other reference
ⓘ Ed B. Prospect	Cannon (1975)
ⓘ Littleton Mine	Derkey et al. (1990, November) +1 other reference
ⓘ State Lease Prospect	Cannon (1975)
Grays Harbor County Quinault Lake ⓘ Burnt Peak Mine	Derkey et al. (1990, November) +1 other reference
Jefferson County ⓘ Tubal Cain Prospect	- (2005)
Mason County ⓘ India claim	- (2005)

Vietnam
Cao Bằng Province Quảng Hòa District ⓘ Bang Khuong Mn deposit	Kamitani et al. (2007)
Trùng Khánh District ⓘ Bang Ca Mn deposit	Kamitani et al. (2007)
ⓘ Toc Tat Mn deposit	Kamitani et al. (2007)

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Hausmannite

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